package Super关键字;

public class Person {
    String name;
    int age;
    int id=1001;//身份证号
    public Person(){}
    public Person(String name){
        this.name=name;
    }
    public Person(String name, int age){
        this(name);
        this.age=age;
    }
    public void eat(){
        System.out.println("人，吃饭");
    }
    public void walk(){
        System.out.println("人，走路");
    }
}
